<!DOCTYPE html>
<html>
<head>
    <title>CSSOM CSSRule CSSStyleRule interface</title>
    <link rel="author" title="Letitia Lew" href="mailto:lew.letitia@gmail.com">
    <link rel="help" href="http://www.w3.org/TR/cssom/#css-rules">
    <link rel="help" href="http://www.w3.org/TR/cssom/#the-cssrule-interface">
    <link rel="help" href="http://www.w3.org/TR/cssom/#css-style-rule-rule-set">
    <meta name="flags" content="dom">
    <meta name="assert" content="All properties for this CSSStyleRule instance of CSSRule are initialized correctly"> 
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>

    <style id="styleElement" type="text/css">
    	div { margin: 10px; padding: 0px; }
    </style>

    <script id="metadata_cache">/*
	{
	  "CSSRule and CSSStyleRule": { "assert": "rule is an instance of CSSRule and CSSStyleRule" },
	  "Rule_type_property": { "assert": "CSSRule type property has correct type and constants" },
	  "Rule_properties": { "assert": "cssText, parentRule, parentStyleSheet properties exist on CSSRule" },
	  "Rule_properties_readonly": { "assert": "type, parentRule, parentStyleSheet properties on CSSRule are readonly" },
	  "Rule_properties_values": { "assert": "type, parentRule, parentStyleSheet initial property values on CSSRule are correct" },
	  "StyleRule_properties": { "assert": "selectorText, style properties on CSSStyleRule" },
	  "StyleRule_properties_values": { "assert": "Initial values of selectorText, style properties on CSSStyleRule are correct" }
	}
	*/</script>
</head>
<body>
	<noscript>Test not run -- JavaScript required.</noscript>
	<div id="log"></div>

	<script type="text/javascript">
		var styleSheet = document.getElementById("styleElement").sheet;
		var ruleList = styleSheet.cssRules;

		var rule = ruleList[0];

		test(function() {
			assert_true(rule instanceof CSSRule);
			assert_true(rule instanceof CSSStyleRule);
		}, "CSSRule and CSSStyleRule",
		{ assert: "rule is an instance of CSSRule and CSSStyleRule" }
		);

		test(function() {
			assert_equals(rule.STYLE_RULE, 1);
			assert_equals(rule.IMPORT_RULE, 3);
			assert_equals(rule.MEDIA_RULE, 4);
			assert_equals(rule.FONT_FACE_RULE, 5);
			assert_equals(rule.PAGE_RULE, 6);
			assert_equals(rule.NAMESPACE_RULE, 10);
			assert_own_property(rule, "type");
			assert_true(typeof rule.type === "number");
		}, "Rule_type_property",
		{ assert: "CSSRule type property has correct type and constants" }
		);

		test(function() {
			assert_true(rule instanceof CSSRule);
			assert_own_property(rule, "cssText");
			assert_own_property(rule, "parentRule");
			assert_own_property(rule, "parentStyleSheet");
		}, "Rule_properties",
		{ assert: "cssText, parentRule, parentStyleSheet properties exist on CSSRule" }
		);

		test(function() {
			assert_readonly(rule, "type");
			assert_readonly(rule, "parentRule");
			assert_readonly(rule, "parentStyleSheet");
		}, "Rule_properties_readonly",
		{ assert: "type, parentRule, parentStyleSheet properties on CSSRule are readonly" }
		);

		test(function() {
			assert_equals(rule.type, rule.STYLE_RULE);
			assert_equals(typeof rule.cssText, "string");
			assert_equals(rule.cssText.replace(/\s+/g, ''), "div{margin:10px;padding:0px;}");	// remove whitespace because serialization is not specified yet
			assert_equals(rule.parentRule, null);
			assert_true(rule.parentStyleSheet instanceof CSSStyleSheet);
		}, "Rule_properties_values",
		{ assert: "type, parentRule, parentStyleSheet initial property values on CSSRule are correct" }
		);

		test(function() {
			assert_own_property(rule, "selectorText");
			assert_equals(typeof rule.selectorText, "string");
			assert_own_property(rule, "style");
			assert_readonly(rule, "style");
		}, "StyleRule_properties",
		{ assert: "selectorText, style properties on CSSStyleRule" }
		);

		test(function() {
			assert_equals(rule.selectorText, "div");
			assert_true(rule.style instanceof CSSStyleDeclaration);
		}, "StyleRule_properties_values",
		{ assert: "Initial values of selectorText, style properties on CSSStyleRule are correct" }
		);
	</script>
</body>
</html>
